A deadly explosion at the home of a man whose wife disappeared. Under mysterious circumstances some two years ago. Police believe the husband Josh Powell was alone at the home. With -- two little boys when the blast occurred today just hours ago in -- ABC's Neal Karlinsky reporting in now from Seattle. It was a horrifying turn of events in a saga that has -- the range from sad too bizarre for years now. Police say -- keys were courageous dropped off Josh Powell's two young son's problems are advised -- is -- at his home south of Seattle. When -- locked the door keeping the keys worker out. Moments later there was a smell of gas the -- stepped back and house exploded into flames. Poll was the only person of interest in the disappearance of his wife Susan in 2009. Did you -- your life. -- did you have anything to do with the disappearance of your life. No nothing nothing. His kids were taken from -- in the wake of the investigation that also turned up allegations of child pornography related to Josh his father. The explosion comes less than a week after a judge ordered Josh Powell to undergo. A psychiatric evaluation before up further custody decision could be made. -- strange behavior -- tensions with his wife's family at times boiled over. It is helping clients since Howard Kurtz standing -- our neighborhood market. Susan Powell was reported missing in December of 2009. Josh Powell told police he last saw -- around midnight. When he decided to take their two sons on a late night camping trip in the -- taught desert. And tonight police say it appears that Josh Powell preferred to end his life. And take his children with them rather than -- separate from them and answer anymore questions. Neal Karlinsky ABC news Seattle.

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Josh Powell Denied Child Custody

Washington judge orders father of two to undergo psycho-sexual evaluation.